With Agnes Lazar and Mario Suetel, he released the album Consumotionality in 2003 in the Regensburg formation Lazar. With Lang and Uli Zenner Wolkenstein on bass, he is active under the band name Gerwin Eisenhauer’s Booom. His book Welcome to the Jungle – Drum’n’Bass-Workbook For Drummers, published in 2005, was named „Book of the Month“ by Sticks magazine.